Sicarius Externus Killer

 is one of the Extra Skills in Mobius Final Fantasy.

Ability Cards With It

 * Proto-behemoth: FFXIII [★4]
 * Garuda Interceptor: FFXIII
 * Fang: FFXIII
 * Snow: FFXIII
 * Fal'Cie Atomos: FFXIII
 * Fal'Cie Titan: FFXIII
 * Fal'Cie Anima: FFXIII
 * Barthandelus: FFXIII